October 2018 2 28 Report

rozwiąż układy równań :

{2(x+y)-(x-y)=4

{3(x-2y)+4(x+y)=5

to wszystko w jednej klamrze

b)

{3(x+y)-2(x-2y)=5

{2(x+2)-4(y+1)=-8

to tez w jednej klamrze

bardzo prosze o b.szybkie rozwiaznie tego zadania. najlpeiej do 19. na jtr !!

bd nja! ;*


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